/Engine/Source/Runtime/Engine/Public/SpeedTreeWind.h
Wind simulation components that oscillate
enum EOscillationComponents { OSC_GLOBAL, OSC_BRANCH_1, OSC_BRANCH_2, OSC_LEAF_1_RIPPLE, OSC_LEAF_1_TUMBLE, OSC_LEAF_1_TWITCH, OSC_LEAF_2_RIPPLE, OSC_LEAF_2_TUMBLE, OSC_LEAF_2_TWITCH, OSC_FROND_RIPPLE, NUM_OSC_COMPONENTS, }